20931800

素因数分解:

$2^3\times 5^2\times {\mathrm{104659}}^1$

素因数の和:104675

約数の個数: 24

約数和(自身を含む): 48666900

約数和(自身を除く): 27735100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104659, 209318, 418636, 523295, 837272, 1046590, 2093180, 2616475, 4186360, 5232950, 10465900, 20931800]

約数ペア:

[(1, 20931800), (2, 10465900), (4, 5232950), (5, 4186360), (8, 2616475), (10, 2093180), (20, 1046590), (25, 837272), (40, 523295), (50, 418636), (100, 209318), (200, 104659)]